HGCal_testbeam/include/DetectorConstruction.hh

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0026 #ifndef DETECTORCONSTRUCTION_HH
0027 #define DETECTORCONSTRUCTION_HH
0028
0029 #include "G4VUserDetectorConstruction.hh"
0030 #include "G4Types.hh"
0031
0032 #include <utility>
0033 #include <vector>
0034
0035 class G4VPhysicalVolume;
0036 class G4LogicalVolume;
0037 class G4GenericMessenger;
0038 class HGCalTBMaterials;
0039
0040 /**
0041  * @brief Detector construction.
0042  *
0043  * Creates a detector with a configuration set by UI commands. By default a test
0044  * module is build (few elements including a silicon sensor).
0045  * Sensitive detectors are attached to silicon sensors.
0046  *
0047  */
0048
0049 class DetectorConstruction : public G4VUserDetectorConstruction {
0050 public:
0051   DetectorConstruction();
0052   virtual ~DetectorConstruction();
0053
0054   virtual G4VPhysicalVolume *Construct();
0055   virtual void ConstructSDandField();
0056
0057 private:
0058   /// Define UI commands: configuration of detector (geometry setup), and
0059   /// maximal step size in silicon
0060   void DefineCommands();
0061   /// Set detector setup configuration based on ID
0062   /// @param[in] aValue ID of detector configuration
0063   void SelectConfiguration(G4int aValue);
0064   /// Set maximal size of step within silicon sensor
0065   /// Can be changed by the UI command /HGCalTestbeam/setup/stepSilicon
0066   /// @param[in] aValue Max step size
0067   void SetStepSizeSilicon(G4double aValue);
0068   /// Helper method placing the logical volumes from map of elements
0069   void ConstructHGCal();
0070
0071   /// Pointer to the logical volume of the world
0072   G4LogicalVolume *fLogicWorld = nullptr;
0073   /// Pointer to the messenger for UI commands
0074   G4GenericMessenger *fMessenger = nullptr;
0075   /// Pointer to the class that defines materials and logical volumes of all
0076   /// possible elements, to be placed according to the configuration setup
0077   HGCalTBMaterials *fMaterials = nullptr;
0078   /// Map of elements to be placed along z axis: name and distance to the
0079   /// previous element is specified
0080   std::vector<std::pair<G4String, G4double>> fElementsMap;
0081   /// Viewpoint for the visualisation
0082   G4double fVisViewpoint = 0;
0083   /// Configuration of the detector setup
0084   /// Can be changed by the UI command /HGCalTestbeam/setup/configuration
0085   G4int fConfiguration = 0;
0086 };
0087
0088 #endif /* DETECTORCONSTRUCTION_HH */